BEST ANSWER GETS BRAINLIEST!!! PLEASE HELP

Mathematics

2 answers:

VikaD [51]3 years ago

7 0

Answer would be B
Becuase how many baseball he will buy would be multiply to the cost
9.95+2.99z

Harman [31]3 years ago

5 0

9.95 + 2.99z <=========

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What is angle B? Round the value to the nearest degree

zhuklara [117]

Answer: $m\angle B=46\°$

Step-by-step explanation:

For this exercise you need to use the Inverse Trigonometric function arccosine, which is defined as the inverse function of the cosine.

Then, to find an angle α, this is:

$\alpha =arccos(\frac{adjacent}{hypotenuse})$

In this case, you can identify that:

$\alpha =m\angle B\\\\adjacent=AB=20\ cm\\\\hypotenuse=BC=29\ cm$

Then, substituting values into $\alpha =arccos(\frac{adjacent}{hypotenuse})$ and evaluating, you get that the measure of the angle "B" to the nearest degree, is:

$m\angle B=arccos(\frac{20\ cm}{29\ cm})\\\\m\angle B=46\°$

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3 years ago

Solve the following quadratic equation using the quadratic formula.

sdas [7]

$ax^2+bx+c=0\\\\\Delta=b^2-4ac\\\\x_1=\dfrac{-b-\sqrt\Delta}{2a};\ x_2=\dfrac{-b+\sqrt\Delta}{2a}$

<span> $5x^2-8x+5=0\to a=5;\ b=-8;\ c=5\\\\\Delta=(-8)^2-4\cdot5\cdot5=64-100=-36\\\\\sqrt\Delta=\sqrt{-36}=6i$

$x_1=\dfrac{-(-8)-6i}{2\cdot5}=\dfrac{8-6i}{10}=\dfrac{4-3i}{5}\\\\x_2=\dfrac{-(-8)+6i}{2\cdot5}=\dfrac{8+6i}{10}=\dfrac{4+3i}{5}$
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4 years ago

Read 2 more answers

What is the value of x?

RSB [31]

An exterior angle equals the sum of the remote interior angles .

x + 60 = 95

x = 95 - 60

x = 35

Answer

B. 35

7 0